Tag Archives: lattice

Post without words #32

Posted on June 8, 2021 by Brent
Posted in posts without words | Tagged , , , | 8 Comments

Hypercube offsets

Posted on January 30, 2020 by Brent

In my previous posts, each drawing consisted of two offset copies of the previous drawing. For example, here are the drawings for and : You can see how the drawing contains an exact copy of the drawing, plus another copy … Continue reading →

Posted in pattern | Tagged , , , , , , , | 2 Comments

Post without words #31

Posted on January 23, 2020 by Brent
Posted in posts without words | Tagged , , , , , , , | 2 Comments

A few words about PWW #30

Posted on January 22, 2020 by Brent

A few things about the images in my previous post that you may or may not have noticed: As several commenters figured out, the th diagram (starting with ) is showing every possible subset a set of items. Two subsets … Continue reading →

Posted in posts without words | Tagged , , , , , , , | 4 Comments

Post without words #30

Posted on January 20, 2020 by Brent
Posted in posts without words | Tagged , , , , , , , | 5 Comments

Divisor nim

Posted on February 3, 2010 by Brent

Yesterday in math club I had the students play a game which I dimly remember seeing somewhere but forget where. Since I don’t know what it is really called, I’m calling it “divisor nim”. Here’s how it works: The players … Continue reading →

Posted in games, number theory, pattern | Tagged , , | 2 Comments